img {
    display: block;
}

.leftcon {
    width: 350px !important;
    height: 350px;
    position: relative;
}
.leftcon img {
    width: 100%;
    height: 100%;
}

.leftcon .slide_box {
    display: none;
    /*将小方块盒子隐藏*/
    position: absolute;
    top: 0;
    left: 0;
    width: 175px;
    height: 175px;
    background: #000;
    opacity: 0.3;
    cursor: move;
    /*改变鼠标的形状*/
}
.rightcon img {
    max-width: 200% !important;
    height: 200%;
    position: absolute;
    left: 0px;
    top: 0px;
}

.rightcon {
    display: none;
    width: 350px;
    height: 350px;
    float: left;
    overflow: hidden;
}

